An activity tracker is a useful tool for you to keep track of your workout. This one is a great choice if you are looking for a lightweight model.
From Amazon
Xiaomi Smart Band 8 Graphite Black, metallic midframe, fresh and fun watch faces, up to 16 days with typical mode, comprehensive health management (UK version+2 years warranty)
OnBuy
XIAOMI SMART BAND 8 BHR7165GL GRAPHITE BLACK
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